New in Symfony 4.3: Improved performance of PropertyAccess

Contributed by Christian Flothmann in #29999. The PropertyAccess component allows to read/write properties from objects and arrays using a simple string notation. It’s used by Symfony components like Forms, Security, Validator, Workflow and hundreds of other public projects. In Symfony 4.3 we improved its performance refactoring the code of the ObjectNormalizer class. The trick was…